<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
            list-style: none;
        }

        a {
            text-decoration: none;
        }

        .head-container {
            width: 100%;
            position: absolute;
            /* width: ; */
            height: 80px;
            background: rgba(0, 0, 0, .3);
            /* position: relative; */
        }

        .head-wrapper {
            width: 996px;
            height: 46px;
            /* border: 1px solid red; */
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
        }

        .head-left {
            width: 159px;
            height: 46px;
            /* border: 1px solid rebeccapurple; */
            float: left;
            margin-right: 80px;
            background-image: url(./images/logo.png);
        }

        .head-middle {
            width: 280px;
            height: 40px;
            float: left;
            margin-top: calc((46px - 40px)/2);
        }

        .head-middle span {
            font-size: 20px;
            line-height: 40px;
            margin-right: 40px;
        }

        .head-middle span:first-of-type {
            color: #31c27c;
        }

        .head-middle span:last-of-type {
            color: #fff;
        }

        .head-right {
            height: 40px;
            margin-top: calc((46px - 40px)/2);
            float: right;
        }

        .head-right span {
            font-size: 20px;
            color: #fff;
            margin-left: 27px;
            line-height: 40px;
        }

        .one-container {
            height: 650px;
            /* border: 1px solid rebeccapurple; */
            background-image: url(./images/banner_pc.jpg);
            background-repeat: no-repeat;
            background-size: cover;
            position: relative;
            overflow: hidden;

        }

        .one-bottom {
            width: 100%;
            height: 190px;
            /* border: 1px solid red; */
            position: absolute;
            bottom: 0px;
            box-sizing: border-box;
        }

        .line {
            width: 100%;
            height: 1px;
            background-color: rgba(255, 255, 255, .3);
        }

        .one-bottom ul {
            padding: 0 150px;
        }

        .one-bottom ul li {
            width: 110px;
            height: 170px;
            /* border: 1px solid rebeccapurple; */
            float: left;
            margin-right: 170px;
            background-image: url(./images/img_index_6bc275f9.png);
            position: relative;
            cursor: pointer;
        }

        .one-bottom ul li span {
            width: 110px;
            display: inline-block;
            height: 1px;
            position: absolute;
            top: -1px;
            background-color: #fff;
        }

        .one-bottom ul li:hover {
            opacity: 1 !important;
        }

        .jiantou {
            display: inline-block;
            width: 36px;
            height: 20px;
            /* border: 1px solid rebeccapurple; */
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            background-image: url(./images/img_index_6bc275f9.png);
            background-position: -1091px -161px;
            animation: move 1.5s infinite;
        }

        @keyframes move {
            0% {
                bottom: 40px;
                opacity: 1;
            }

            50% {
                bottom: 30px;
                opacity: .8;
            }

            100% {
                bottom: 20px;
                opacity: 0;
            }
        }

        .star {
            width: 108px;
            height: 152px;
            background-image: url(./images/star.png);
            position: absolute;
            right: -108px;
            animation: star 2s linear 0s infinite ;    
        }
        .star2{
            width: 108px;
            height: 152px;
            background-image: url(./images/star.png);
            position: absolute;
            top: -152px;
            right: 200px;
            animation: star 1s linear 3s infinite ;    
        }
        @keyframes star {
           0%{
               opacity: 0;
               transform: translate(0,0);
           }
           50%{
               opacity: 1;
           }    
           100%{
            opacity: 0;
            transform: translate(-108px,152px);
           
           }
        }
    </style>
</head>

<body>
    <div class="head-container">
        <div class="head-wrapper">
            <div class="head-left"></div>
            <div class="head-middle">
                <span>产品动态</span>
                <span>下载</span>
            </div>
            <div class="head-right">
                <span>pc版介绍</span>
                <span>MAC版介绍</span>
                <span>轻听介绍</span>
            </div>
        </div>
    </div>
    <div class="all-container">
        <div class="one-container">
            <div class="one-bottom">
                <div class="line">

                </div>
                <ul>
                    <li style="background-position: -366px -940px;">
                        <span></span>

                    </li>
                    <li style="background-position: -244px -940px;opacity: .5">

                    </li>
                    <li style="background-position: -122px -940px;opacity: .5">

                    </li>
                    <li style="margin-right: 0px;background-position: 0 -940px;opacity: .5;">

                    </li>
                </ul>

            </div>
            <span class="jiantou">

            </span>
            <div class="star"></div>
            <div class="star2"></div>
        </div>

    </div>
</body>

</html>